Validate car block bytes
npm install @web3-storage/car-block-validator> Validate car block bytes with web3.storage supported codecs
car-block-validator validates @ipld/car blocks for the given hashers:
| hashes | import | repo |
| ------------------------------------------------------------------------------------------------------------------------------- | ------------------------------ | ------------------------------------------------------------------------------------------------------------------ |
| sha2-256, sha2-512 | multiformats/hashes/sha2 | multiformats/js-multiformats |
| sha3-224, sha3-256, sha3-384,sha3-512, shake-128, shake-256, keccak-224, keccak-256, keccak-384, keccak-512 | @multiformats/sha3 | multiformats/js-sha3 |
| identity | multiformats/hashes/identity | multiformats/js-multiformats |
| murmur3-128, murmur3-32 | @multiformats/murmur3 | multiformats/js-murmur3 |
| blake2b-, blake2s- | @multiformats/blake2 | multiformats/js-blake2 |
``sh`install it as a dependency
$ npm i @web3-storage/car-block-validator
`js
import { validateBlock } from '@web3-storage/car-block-validator'
// Read CAR file as wished
// const inStream = fs.createReadStream(process.argv[2])
// const reader = await CarBlockIterator.fromIterable(inStream)
for await (const block of reader) {
await validateBlock(block)
// throws if not valid, either unknown codec or not valid bytes
}
``